UNT Libraries Government Documents Department - 5 Matching Results

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Improved Water-Wheel.
Patent for the improvement of the water-wheel using curved buckets over a spiral water passage to increase power and volume, including illustration.
Improvement in Cotton-Presses.
Patent for the improvement of the cotton press using a cam-lever for operating the side of the press-box with two different application of power, including illustration.
Pessary.
Patent for a ring pessary used as a female birth control device, including illustration.
Preparation of Portable Soup-Bread.
Patent for "extracting the nutritious part of flesh or animal meat of every description and combining this concentrated extract with flour or vegetable meal, and baking the two substances in an oven, thereby forming a portable desiccated soup-bread....." (lines 8-14), instruction only, no illustration.
Pump.
Patent for a simple, efficient, and low maintenance submerged rotary pump, including illustration.
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